38144042 has 4 divisors (see below), whose sum is σ = 57216066. Its totient is φ = 19072020.

The previous prime is 38144023. The next prime is 38144081. The reversal of 38144042 is 24044183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24044183 = 151 ⋅159233.

It can be written as a sum of positive squares in only one way, i.e., 28847641 + 9296401 = 5371^2 + 3049^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9536009 + ... + 9536012.

Almost surely, 2^38144042 is an apocalyptic number.

38144042 is a deficient number, since it is larger than the sum of its proper divisors (19072024).

38144042 is a wasteful number, since it uses less digits than its factorization.

38144042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19072023.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 38144042 is about 6176.0863012105. The cubic root of 38144042 is about 336.6217995084.

The spelling of 38144042 in words is "thirty-eight million, one hundred forty-four thousand, forty-two".